Cylinder Head Assembly: Specifications
Cylinder Head and Valve TrainCylinder head gasket surface flatness 0.08 mm (0.003 inch) total
Combustion chamber volume 65.197 ± 2.068 - 2.018 cc
Valve arrangement (front to rear)-LH I-E-I-E-I-E
Valve arrangement (front to rear)-RH E-I-E-I-E-I
Valve guide bore diameter 7.00 - 7.018 mm (0.276 inch)
Valve stem diameter- intake 6.965 - 6.98 mm (0.274 - 0.275 inch)
Valve stem diameter- exhaust 6.95 - 6.965 mm (0.27 - 0.274 inch)
Valve stem-to-guide clearance-intake 0.020 - 0.053 mm (0.001 - 0.002 inch)
Valve stem-to-guide clearance-exhaust 0.035 - 0.068 mm (0.001 - 0.003 inch)
Valve head diameter- intake 45.9 - 46.1 mm (1.807 - 1.815 inch)
Valve head diameter -exhaust 38.9 - 39.1 mm (1.531 - 1.539 inch)
Valve face runout 0.03 mm (0.001 inch)
Valve face angle 45 degrees
Valve seat width- intake 1.273 - 2.121 mm (0.05 - 0.083 inch)
Valve seat width- exhaust 1.556 - 2.404 mm (0.06 - 0.094 inch)
Valve seat runout 0.059 mm (0.002 inch)
Valve seat angle 45 degrees
Valve spring free length 43.1 mm (1.7 inch)
Valve spring squareness ±1.5 deg
Valve spring compression pressure at specified height 275 - 305 Nm at 35.9 - 36.7 mm (202.84 - 224.968 lbs.) ft. at 1.413 - 1.445 inch)
Valve spring installed height 39.86 - 40.86 mm (1.569 - 1.601 inch)
Valve spring installed pressure 320 newtons
Roller follower ratio 1.98:1
Intake Manifold Bolts
Camshaft bearing caps bolts.
Stage 1 6 Nm (53 inch lbs.)
Stage 2 16 Nm (12 ft. lbs.)
Exhaust Manifold Nuts 22 Nm (16 ft. lbs.)
Exhaust Manifold To Exhaust Pipe Bolts 40 Nm (30 ft. lbs.)
Cylinder Head
CAUTION: Cylinder head bolts must be discarded and new bolts installed. They are tighten-to-yield designed and cannot be reused.
For Cylinder Head tightening specifications refer to Service and Repair procedure. Service and Repair
Camshaft Pulley/Gear Torque
For tightening specifications refer to Service and Repair procedure. Service and Repair